/Engine/Source/Runtime/Engine/Classes/Engine/AssetManager.h
Returns the primary asset Id for the givenFAssetData, only works if in directory
virtual [FPrimaryAssetId](API\Runtime\CoreUObject\UObject\FPrimaryAssetId) GetPrimaryAssetIdForData ( const [FAssetData](API\Runtime\CoreUObject\AssetRegistry\FAssetData) & AssetData ) const